I'm guessing at what you want. I think you want to know the number, but you could also just want the equation.
Step One
Start with "the sum of a number and - 3." That looks like this.
x + - 3 = x - 3
Step Two
"Is multiplied by - 5"
- 5 (x - 3)
Step Three
"... the result is 35"
-5(x - 3) = 35
Solve
You can remove the brackets or divide by - 5
-5x - 15 = 35 Add 15 to both sides
- 5x = 35 + 15
-5x = 50 Divide by - 5
x = 50/-5
x = - 10 <<<< Answer
Answer:
Step-by-step explanation:
I can't read it very well. If it says
5(6n-4)+2=68
30n-20+2=68
30n=86
n= 43/15 or 2 13/15
If it says
5(6n-4)-2=68
30n-20-2=68
30n=90
n= 3
14x^5y^4 + 21x^3y^2
-----------------------------------
7x^3y
7x^3y^2 (2x^2y^2 + 3)
= ---------------------------------
7x^3y
= y(2x^2y^2 + 3)
Answer:
Answer: A, (3x+5)(x+7)
Step-by-step explanation:
3x*x = 3x^2
3x*7=21x
5*x= 5x
5*7=35
Then, Combine like terms.
21x+5x= 26x
3x^2+26x+35
And that's it, pretty simple.
Correct answer is: P(x<6) is 0.123 and it is usual.
Solution:-
Given that the time a person takes to decide which shoes to purchase follows normal distribution. Which has mean = 8.21 minutes and standard deviation 1.90
Then probability of individual takes less than 6 minutes is
P(X<6) =
=
= 0.1230
Typically we say an event with a probability less than 5% is unusual.
But here P(X<6) = 0.123 is greater than 5% hence this is usual.